Answer & Solution
Answer: Option B
Solution:
The parseInt function parses a string and returns an integer.
Q
What does the parseInt function do in JavaScript?
Related Questions on Average
What does it mean that JavaScript is dynamically typed?
A). Variables do not have types
B). Variables can change type
C). Variables must be declared with a type
D). Variables cannot change type
What will be the result of typeof function() {} in JavaScript?
A). function
B). object
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What is the result of the following code: let x = 5; x = 'hello'; console.log(typeof x);?
A). number
B). string
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A). An error is thrown
B). The number is converted to a string
C). The string is converted to a number
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A). 30
B). 1020
C). 30
D). NaN
What will typeof null return in JavaScript?
A). null
B). undefined
C). object
D). number
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A). number
B). NaN
C). undefined
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What is the initial type of a variable declared with let a;?
A). null
B). number
C). undefined
D). object
Which operator is used to determine the type of a variable in JavaScript?
A). typeof
B). instanceof
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D). isType
What is the type of the value returned by JSON.parse('null')?
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C). object
D). undefined